* ioctls.
*/
-#include <linux/config.h>
#include <linux/compat.h>
#include <linux/videodev.h>
#include <linux/videodev2.h>
#ifdef CONFIG_COMPAT
-
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
struct video_tuner32 {
compat_int_t tuner;
char name[32];
compat_caddr_t clips;
compat_int_t clipcount;
};
+#endif
static int native_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
}
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
/* You get back everything except the clips... */
static int put_video_window32(struct video_window *kp, struct video_window32 __user *up)
{
return -EFAULT;
return 0;
}
+#endif
struct v4l2_clip32
{
if (kp->clipcount > 2048)
return -EINVAL;
if (kp->clipcount) {
- struct v4l2_clip32 *uclips = compat_ptr(up->clips);
- struct v4l2_clip *kclips;
+ struct v4l2_clip32 __user *uclips;
+ struct v4l2_clip __user *kclips;
int n = kp->clipcount;
+ compat_caddr_t p;
+ if (get_user(p, &up->clips))
+ return -EFAULT;
+ uclips = compat_ptr(p);
kclips = compat_alloc_user_space(n * sizeof(struct v4l2_clip));
kp->clips = kclips;
while (--n >= 0) {
- if (!access_ok(VERIFY_READ, &uclips->c, sizeof(uclips->c)) ||
- copy_from_user(&kclips->c, &uclips->c, sizeof(uclips->c)))
+ if (copy_in_user(&kclips->c, &uclips->c, sizeof(uclips->c)))
+ return -EFAULT;
+ if (put_user(n ? kclips + 1 : NULL, &kclips->next))
return -EFAULT;
- kclips->next = n ? kclips + 1 : 0;
uclips += 1;
kclips += 1;
}
} else
- kp->clips = 0;
+ kp->clips = NULL;
return 0;
}
static int put_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up)
{
- if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_window32)) ||
- copy_to_user(&up->w, &kp->w, sizeof(up->w)) ||
+ if (copy_to_user(&up->w, &kp->w, sizeof(up->w)) ||
put_user(kp->field, &up->field) ||
put_user(kp->chromakey, &up->chromakey) ||
put_user(kp->clipcount, &up->clipcount))
static inline int get_v4l2_pix_format(struct v4l2_pix_format *kp, struct v4l2_pix_format __user *up)
{
- if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_pix_format)) ||
- copy_from_user(kp, up, sizeof(struct v4l2_pix_format)))
- return -EFAULT;
+ if (copy_from_user(kp, up, sizeof(struct v4l2_pix_format)))
+ return -EFAULT;
return 0;
}
static inline int put_v4l2_pix_format(struct v4l2_pix_format *kp, struct v4l2_pix_format __user *up)
{
- if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_pix_format)) ||
- copy_to_user(up, kp, sizeof(struct v4l2_pix_format)))
- return -EFAULT;
+ if (copy_to_user(up, kp, sizeof(struct v4l2_pix_format)))
+ return -EFAULT;
return 0;
}
static inline int get_v4l2_vbi_format(struct v4l2_vbi_format *kp, struct v4l2_vbi_format __user *up)
{
- if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_vbi_format)) ||
- copy_from_user(kp, up, sizeof(struct v4l2_vbi_format)))
- return -EFAULT;
+ if (copy_from_user(kp, up, sizeof(struct v4l2_vbi_format)))
+ return -EFAULT;
return 0;
}
static inline int put_v4l2_vbi_format(struct v4l2_vbi_format *kp, struct v4l2_vbi_format __user *up)
{
- if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_vbi_format)) ||
- copy_to_user(up, kp, sizeof(struct v4l2_vbi_format)))
- return -EFAULT;
+ if (copy_to_user(up, kp, sizeof(struct v4l2_vbi_format)))
+ return -EFAULT;
return 0;
}
static inline int get_v4l2_standard(struct v4l2_standard *kp, struct v4l2_standard __user *up)
{
- if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_standard)) ||
- copy_from_user(kp, up, sizeof(struct v4l2_standard)))
- return -EFAULT;
+ if (copy_from_user(kp, up, sizeof(struct v4l2_standard)))
+ return -EFAULT;
return 0;
}
static inline int put_v4l2_standard(struct v4l2_standard *kp, struct v4l2_standard __user *up)
{
- if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_standard)) ||
- copy_to_user(up, kp, sizeof(struct v4l2_standard)))
- return -EFAULT;
+ if (copy_to_user(up, kp, sizeof(struct v4l2_standard)))
+ return -EFAULT;
return 0;
}
static inline int get_v4l2_tuner(struct v4l2_tuner *kp, struct v4l2_tuner __user *up)
{
- if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_tuner)) ||
- copy_from_user(kp, up, sizeof(struct v4l2_tuner)))
- return -EFAULT;
+ if (copy_from_user(kp, up, sizeof(struct v4l2_tuner)))
+ return -EFAULT;
return 0;
}
static inline int put_v4l2_tuner(struct v4l2_tuner *kp, struct v4l2_tuner __user *up)
{
- if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_tuner)) ||
- copy_to_user(up, kp, sizeof(struct v4l2_tuner)))
- return -EFAULT;
+ if (copy_to_user(up, kp, sizeof(struct v4l2_tuner)))
+ return -EFAULT;
return 0;
}
break;
case V4L2_MEMORY_USERPTR:
{
- unsigned long tmp = (unsigned long)compat_ptr(up->m.userptr);
+ compat_long_t tmp;
- if(get_user(kp->length, &up->length) ||
- get_user(kp->m.userptr, &tmp))
- return -EFAULT;
+ if (get_user(kp->length, &up->length) ||
+ get_user(tmp, &up->m.userptr))
+ return -EFAULT;
+
+ kp->m.userptr = (unsigned long)compat_ptr(tmp);
}
break;
case V4L2_MEMORY_OVERLAY:
static inline int get_v4l2_input32(struct v4l2_input *kp, struct v4l2_input __user *up)
{
- if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_input) - 4) ||
- copy_from_user(kp, up, sizeof(struct v4l2_input) - 4))
- return -EFAULT;
+ if (copy_from_user(kp, up, sizeof(struct v4l2_input) - 4))
+ return -EFAULT;
return 0;
}
static inline int put_v4l2_input32(struct v4l2_input *kp, struct v4l2_input __user *up)
{
- if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_input) - 4) ||
- copy_to_user(up, kp, sizeof(struct v4l2_input) - 4))
- return -EFAULT;
+ if (copy_to_user(up, kp, sizeof(struct v4l2_input) - 4))
+ return -EFAULT;
return 0;
}
static inline int get_v4l2_input(struct v4l2_input *kp, struct v4l2_input __user *up)
{
- if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_input)) ||
- copy_from_user(kp, up, sizeof(struct v4l2_input)))
- return -EFAULT;
+ if (copy_from_user(kp, up, sizeof(struct v4l2_input)))
+ return -EFAULT;
return 0;
}
static inline int put_v4l2_input(struct v4l2_input *kp, struct v4l2_input __user *up)
{
- if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_input)) ||
- copy_to_user(up, kp, sizeof(struct v4l2_input)))
+ if (copy_to_user(up, kp, sizeof(struct v4l2_input)))
+ return -EFAULT;
+ return 0;
+}
+
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
+struct video_code32
+{
+ char loadwhat[16]; /* name or tag of file being passed */
+ compat_int_t datasize;
+ unsigned char *data;
+};
+
+static inline int microcode32(struct video_code *kp, struct video_code32 __user *up)
+{
+ if(!access_ok(VERIFY_READ, up, sizeof(struct video_code32)) ||
+ copy_from_user(kp->loadwhat, up->loadwhat, sizeof (up->loadwhat)) ||
+ get_user(kp->datasize, &up->datasize) ||
+ copy_from_user(kp->data, up->data, up->datasize))
return -EFAULT;
return 0;
}
#define VIDIOCSFBUF32 _IOW('v',12, struct video_buffer32)
#define VIDIOCGFREQ32 _IOR('v',14, u32)
#define VIDIOCSFREQ32 _IOW('v',15, u32)
+#define VIDIOCSMICROCODE32 _IOW('v',27, struct video_code32)
+
+#endif
/* VIDIOC_ENUMINPUT32 is VIDIOC_ENUMINPUT minus 4 bytes of padding alignement */
#define VIDIOC_ENUMINPUT32 VIDIOC_ENUMINPUT - _IOC(0, 0, 0, 4)
#define VIDIOC_S_INPUT32 _IOWR ('V', 39, compat_int_t)
#define VIDIOC_TRY_FMT32 _IOWR ('V', 64, struct v4l2_format32)
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
enum {
MaxClips = (~0U-sizeof(struct video_window))/sizeof(struct video_clip)
};
return native_ioctl(file, VIDIOCSWIN, (unsigned long)vw);
}
+#endif
static int do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
union {
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
struct video_tuner vt;
struct video_buffer vb;
struct video_window vw;
+ struct video_code vc;
+#endif
struct v4l2_format v2f;
struct v4l2_buffer v2b;
struct v4l2_framebuffer v2fb;
/* First, convert the command. */
switch(cmd) {
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
case VIDIOCGTUNER32: cmd = VIDIOCGTUNER; break;
case VIDIOCSTUNER32: cmd = VIDIOCSTUNER; break;
case VIDIOCGWIN32: cmd = VIDIOCGWIN; break;
case VIDIOCSFBUF32: cmd = VIDIOCSFBUF; break;
case VIDIOCGFREQ32: cmd = VIDIOCGFREQ; break;
case VIDIOCSFREQ32: cmd = VIDIOCSFREQ; break;
+ case VIDIOCSMICROCODE32: cmd = VIDIOCSMICROCODE; break;
+#endif
case VIDIOC_G_FMT32: cmd = VIDIOC_G_FMT; break;
case VIDIOC_S_FMT32: cmd = VIDIOC_S_FMT; break;
case VIDIOC_QUERYBUF32: cmd = VIDIOC_QUERYBUF; break;
};
switch(cmd) {
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
case VIDIOCSTUNER:
case VIDIOCGTUNER:
err = get_video_tuner32(&karg.vt, up);
break;
case VIDIOCSFREQ:
+#endif
case VIDIOC_S_INPUT:
case VIDIOC_OVERLAY:
case VIDIOC_STREAMON:
compatible_arg = 0;
break;
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
case VIDIOCGWIN:
case VIDIOCGFBUF:
case VIDIOCGFREQ:
+#endif
case VIDIOC_G_FBUF:
case VIDIOC_G_INPUT:
compatible_arg = 0;
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
+ case VIDIOCSMICROCODE:
+ err = microcode32(&karg.vc, up);
+ compatible_arg = 0;
+ break;
+#endif
};
-
if(err)
goto out;
}
if(err == 0) {
switch(cmd) {
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
case VIDIOCGTUNER:
err = put_video_tuner32(&karg.vt, up);
break;
case VIDIOCGFBUF:
err = put_video_buffer32(&karg.vb, up);
break;
-
+#endif
case VIDIOC_G_FBUF:
err = put_v4l2_framebuffer32(&karg.v2fb, up);
break;
err = put_v4l2_input32(&karg.v2i, up);
break;
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
case VIDIOCGFREQ:
+#endif
case VIDIOC_G_INPUT:
err = put_user(((u32)karg.vx), (u32 __user *)up);
break;
return ret;
switch (cmd) {
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
case VIDIOCSWIN32:
ret = do_set_window(file, cmd, arg);
break;
case VIDIOCSFBUF32:
case VIDIOCGFREQ32:
case VIDIOCSFREQ32:
+#endif
case VIDIOC_QUERYCAP:
case VIDIOC_ENUM_FMT:
case VIDIOC_G_FMT32:
ret = do_video_ioctl(file, cmd, arg);
break;
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
/* Little v, the video4linux ioctls (conflict?) */
case VIDIOCGCAP:
case VIDIOCGCHAN:
case _IOR('v' , BASE_VIDIOCPRIVATE+7, int):
ret = native_ioctl(file, cmd, (unsigned long)compat_ptr(arg));
break;
+#endif
default:
v4l_print_ioctl("compat_ioctl32", cmd);
}